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Questions and Answers
What type of polymerization device is used with both heat and self polymerization?
For what purpose is the water path oven used?
Which equipment ensures complete polymerization of heat acrylic by applied wet heating?
What is the temperature range of the water path oven?
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How long does the curing of acrylic resin take in a water path oven?
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What is the function of the magnetron in a microwave oven?
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Why can't conventional metallic flasks be used in a microwave oven?
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For which of the following processes is a microwave oven used in dental applications?
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What is the range of time required for curing acrylic resin using a microwave oven?
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What is the power range used in microwave ovens for curing acrylic resin?
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What is the primary use of the Ivomate oven?
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In which lab settings is the Ivomate oven commonly used?
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Which of the following describes a manual Ivomate oven?
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What are the types of Ivomate ovens mentioned?
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What is the main purpose of using a manual Ivomate oven?
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What primary function does the Electric Ivomat oven perform?
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Which feature is integrated into the Electric Ivomat oven?
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How can the polymerization sequence be controlled in an Electric Ivomat oven?
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According to the given information, who can program the polymerization sequence in the Electric Ivomat oven?
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Which of the following best describes the Electric Ivomat oven?
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Study Notes
Polymerization Devices
- There are two types of equipment used for acrylic polymerization.
Type 1: Heat and Self-Polymerization
- Used for crown & bridge, acrylic lab, or orthodontic lab.
- Examples include Ivomate.
Type 2: Heat Acrylic with Wet Heating
- Used to help complete polymerization of acrylic resin.
- Examples include water bath and microwave oven.
Water Path Oven
- Used specifically with hot cure acrylic.
- Applies wet heating to the acrylic metal flask.
- Made from high-quality steel for boiling water processing.
- Temperature is thermostatically controlled.
- Curing time: 3-12 hours and temperature range: 30°C - 100°C.
Ivomate Oven
- Used in crown & bridge, acrylic lab, or orthodontic lab.
- Can be used for heat or cold-curing resins.
Types of Ivomate Oven:
- Manual Ivomate oven
- Electric Ivomate oven
Manual Ivomate Oven
- A practical stainless steel pneumatic polymerizing kettle.
- Used to polymerize dentures and associated items in dentistry.
- Made of stainless steel.
Parts of Manual Ivomate Oven:
- (No specific parts listed)
Electric Ivomate Oven
- An electric device with a control panel.
- Programs a sequence of polymerization temperatures according to the user.
Microwave Oven
- Uses electromagnetic waves produced by a magnetron.
- Heat is generated inside the resin for acrylic polymerization.
- Cannot use conventional metallic flasks; uses fiber-reinforced plastic flasks instead.
- Used for:
- Processing of maxillofacial prosthesis
- Processing of complete denture
- Reline of a denture base
- Repair of dentures
- Curing time: 3-12 minutes and power range: 100-800 watt.
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Description
This quiz covers the equipment used for acrylic polymerization in dental labs, including Ivomate and heat-assisted methods. Understand the different types of devices and their applications.
